JPS58168128U - Furnace core tube outside air inflow prevention device - Google Patents

Furnace core tube outside air inflow prevention device

Info

Publication number
JPS58168128U
JPS58168128U JP6508782U JP6508782U JPS58168128U JP S58168128 U JPS58168128 U JP S58168128U JP 6508782 U JP6508782 U JP 6508782U JP 6508782 U JP6508782 U JP 6508782U JP S58168128 U JPS58168128 U JP S58168128U
Authority
JP
Japan
Prior art keywords
core tube
furnace core
outside air
prevention device
air inflow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6508782U
Other languages
Japanese (ja)
Inventor
富永　之廣
佐藤　和朗
Original Assignee
沖電気工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 沖電気工業株式会社 filed Critical 沖電気工業株式会社
Priority to JP6508782U priority Critical patent/JPS58168128U/en
Publication of JPS58168128U publication Critical patent/JPS58168128U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の一般的な拡散炉芯管の断面図、第２図は
本考案炉芯管の外気流入防止装置の一実施例を示す断面
図である。　′ １・・・炉芯管、２・・・キャップ、２ａ・・・穴、３
・・・押棒、４・・・ボー上、６・・・石英プレート、
６ａ・・・穴、７・・・スプリング、８・・・固定用リ
ング。FIG. 1 is a cross-sectional view of a conventional general diffusion furnace core tube, and FIG. 2 is a cross-sectional view showing an embodiment of the outside air inflow prevention device for the furnace core tube of the present invention. '1... Furnace core tube, 2... Cap, 2a... Hole, 3
... Push rod, 4 ... Bow top, 6 ... Quartz plate,
6a...hole, 7...spring, 8...fixing ring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中央部に押棒の外径よりやや大きい穴を有し、□　　　
かつ炉芯管のキャップに設けた押棒挿入口をおおう大き
さのシール用プレートをスプリングを介して押棒に挿入
し、前記キャップの挿入口に押し付けるようにした炉芯
管の外気流入防止装置。There is a hole in the center that is slightly larger than the outside diameter of the push rod, and □
A device for preventing outside air from flowing into a furnace core tube, wherein a sealing plate sized to cover a push rod insertion port provided in a cap of the furnace core tube is inserted into the push rod via a spring and pressed against the insertion port of the cap.
JP6508782U 1982-05-06 1982-05-06 Furnace core tube outside air inflow prevention device Pending JPS58168128U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6508782U JPS58168128U (en) 1982-05-06 1982-05-06 Furnace core tube outside air inflow prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6508782U JPS58168128U (en) 1982-05-06 1982-05-06 Furnace core tube outside air inflow prevention device

Publications (1)

Publication Number Publication Date
JPS58168128U true JPS58168128U (en) 1983-11-09

Family

ID=30075087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6508782U Pending JPS58168128U (en) 1982-05-06 1982-05-06 Furnace core tube outside air inflow prevention device

Country Status (1)

Country Link
JP (1) JPS58168128U (en)

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